US Bridges

US-6 (SR-6) over Delta-Melville Irr.Canal

Fair

Millard County, Utah · 5.2 Miles Ne.Of Delta · Structure no. 0E1934

Built
1973
52 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
2,935
2017 count
Owner
State
State Highway Agency

About this bridge

US-6 (SR-6) over Delta-Melville Irr.Canal is a concrete continuous culvert carrying US-6 (SR-6) over Delta-Melville Irr.Canal in Millard County, Utah. It was built in 1973, so it is 52 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,935 vehicles a day, roughly 30% of them trucks, projected to reach 3,522 by 2037. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesUS-6 (SR-6)
CrossesDelta-Melville Irr.Canal
Location5.2 Miles Ne.Of Delta
RouteU.S. Route 6
CountyMillard County
StateUtah
Coordinates39.39892, -112.50084
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length38 ft (11.7 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,935 (2017)
Projected traffic3,522 by 2037
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-6 (SR-6) over Delta-Melville Irr.Canal built?

It was built in 1973, making it 52 years old in 2025.

What condition is US-6 (SR-6) over Delta-Melville Irr.Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does US-6 (SR-6) over Delta-Melville Irr.Canal carry?

About 2,935 vehicles per day (2017 count), of which roughly 30% are trucks.

How long is US-6 (SR-6) over Delta-Melville Irr.Canal?

The structure is 38 ft (11.7 m) long with a longest span of 18 ft (5.5 m).

Who owns US-6 (SR-6) over Delta-Melville Irr.Canal?

It is owned by the State Highway Agency.